.game-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin-top: 20px;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 0 20px rgba(0, 162, 255, 0.5);
    border: 1px solid rgba(0, 162, 255, 0.3);
}

#gameCanvas {
    border: 2px solid rgba(0, 162, 255, 0.7);
    background-color: #0f1923;
    border-radius: 5px;
    box-shadow: 0 0 15px rgba(0, 162, 255, 0.4);
}

.controls {
    margin-top: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.speed-control {
    display: flex;
    align-items: center;
    gap: 10px;
}

.game-instructions {
    margin-bottom: 15px;
    text-align: center;
    background-color: #e9f7ef;
    padding: 10px;
    border-radius: 5px;
}

.game-buttons {
    display: flex;
    gap: 10px;
}

button {
    padding: 10px 20px;
    background: linear-gradient(90deg, #00d2ff 0%, #3a7bd5 100%);
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s;
    font-weight: bold;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 8px rgba(0, 0, 0, 0.15);
}

.score {
    font-size: 18px;
    font-weight: bold;
    color: #333;
}

h1 {
    color: #00d2ff;
    margin-bottom: 15px;
    text-shadow: 0 0 10px rgba(0, 210, 255, 0.5);
    font-size: 2.5rem;
}